Openwork (noun)

A decorative design made of interlacing or overlapping patterns, typically in metalwork or lace.

Origin:

Late 16th century, from open + work.

Examples:

1. The gate was adorned with intricate openwork.
2. The table runner was beautifully made with intricate openwork.
3. The church's stained glass window was made of intricate openwork.
4. The balcony railing had beautiful openwork designs.
5. The lace collar had delicate openwork patterns.